Java 生成PDF文档的示例代码

    <!-- pdfbox -->    <dependency>      <groupId>org.apache.pdfbox</groupId>      <artifactId>pdfbox</artifactId>      <version>2.0.11</version>    </dependency>    <!-- docx4j -->    <dependency>      <groupId>org.docx4j</groupId>      <artifactId>docx4j</artifactId>      <version>3.3.7</version>    </dependency>    <dependency>      <groupId>org.apache.xmlgraphics</groupId>      <artifactId>batik-util</artifactId>      <version>1.10</version>    </dependency>    <dependency>      <groupId>org.docx4j</groupId>      <artifactId>docx4j-export-fo</artifactId>      <version>3.3.6</version>    </dependency>    <!-- https://mvnrepository.com/artifact/dom4j/dom4j -->    <dependency>      <groupId>dom4j</groupId>      <artifactId>dom4j</artifactId>      <version>1.6.1</version>    </dependency>    <!-- image -->    <dependency>      <groupId>net.coobird</groupId>      <artifactId>thumbnailator</artifactId>      <version>0.4.8</version>    </dependency>    <!-- json -->    <dependency>      <groupId>com.alibaba</groupId>      <artifactId>fastjson</artifactId>      <version>1.2.47</version>    </dependency>

Map<String, Object> map = new HashMap<>();map.put("name", "小明");map.put("address", "北京市朝阳区");map.put("email", "xiaoming@abc.com");StringWriter stringWriter = new StringWriter();BufferedWriter writer = new BufferedWriter(stringWriter);template.process(map, writer);String xmlStr = stringWriter.toString();

ByteArrayInputStream in = new ByteArrayInputStream(xmlStr.getBytes());WordprocessingMLPackage wordMLPackage = WordprocessingMLPackage.load(in);

String outputfilepath = "/Users/xiaoming/简历.pdf";Docx4J.toPDF(wordMLPackage, new FileOutputStream(new File(outputfilepath)));

String folderName = "/Users/xiaoming/pdfs";String destPath = "/Users/xiaoming/all.pdf";PDFMergerUtility mergePdf = new PDFMergerUtility();String[] filesInFolder = getFiles(folderName);Arrays.sort(filesInFolder, new Comparator<String>() {   @Override   public int compare(String o1, String o2) {     return o1.compareTo(o2);   }});for (int i = 0; i < filesInFolder.length; i++) {   mergePdf.addSource(folderName + File.separator + filesInFolder[i  ]);}mergePdf.setDestinationFileName(destPath);mergePdf.mergeDocuments(MemoryUsageSetting.setupMainMemoryOnly());